Combined adaptive servo-ventilation and automatic positive airway pressure (anticyclic modulated ventilation) in co-existing obstructive and central sleep apnea syndrome and periodic breathing

Abstract Background The co-existence of obstructive and central sleep apnea/hypopnea syndrome (OSAS) and periodic breathing is common in patients with and without underlying heart diseases. While automatic continuous positive airway pressure (APAP) has proven to effectively treat OSAS, the adaptive...

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Bibliographic Details
Published in:Sleep medicine 2009-09, Vol.10 (8), p.898-903
Main Authors: Randerath, Winfried J, Galetke, Wolfgang, Kenter, Marlene, Richter, Kerstin, Schäfer, Thorsten
Format: Article
Language:English
Subjects:
Adaptive servo-ventilation
Aged
Algorithms
Central sleep apnea
Cheyne-Stokes respiration
Cheyne-Stokes Respiration - therapy
Complex sleep apnea
Continuous Positive Airway Pressure - instrumentation
Continuous Positive Airway Pressure - methods
Exhalation
Female
Humans
Inhalation
Male
Middle Aged
Neurology
Obstructive sleep apnea
Oxygen - blood
Periodic breathing
Pilot Projects
Polysomnography
Sleep Apnea Syndromes - therapy
Sleep Apnea, Obstructive - therapy
Sleep Medicine
Treatment Outcome
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Summary:Abstract Background The co-existence of obstructive and central sleep apnea/hypopnea syndrome (OSAS) and periodic breathing is common in patients with and without underlying heart diseases. While automatic continuous positive airway pressure (APAP) has proven to effectively treat OSAS, the adaptive servo-ventilation (ASV) sufficiently improves periodic breathing. This is the first trial on a device which combines both treatment modes. Methods Pilot study on a two-week treatment in patients with co-existing obstructive and central and periodic breathing disturbances during sleep. Twelve consecutive patients (9 male, 3 female, age 56.9 ± 10.6 years, BMI 32.4 ± 5.5 kg/m2 ) were treated with a new algorithm which combines APAP and ASV (also called anticyclic modulated ventilation (ACMV), SOMNOventCR® , Weinmann, Hamburg, Germany). Seven suffered from arterial hypertension, coronary heart disease and mitral regurgitation, none from congestive heart failure. Results The total apnea–hypopnea index (AHI) improved from 43.8 ± 24.0/h to 2.1 ± 2.4 ( p < 0.01), the obstructive AHI from 12.8 ± 14.3/h to 0.3 ± 0.6/h ( p < 0.01) and the central AHI from 31.0 ± 17.5/h to 1.7 ± 2.0/h ( p < 0.01). Moreover, there was a significant improvement in the total number of arousals, respiratory induced arousals, oxygen saturation and sleep profile. Conclusion The algorithm combining automatic continuous positive airway pressure (CPAP) and ASV normalizes all types of co-existing obstructive and central apnea/hypopnea and periodic breathing.
ISSN:1389-9457
1878-5506
DOI:10.1016/j.sleep.2008.09.017